Air knife adjusting device of plastic film curtain coating equipment

The utility model provides the air knife adjusting device of a curtain coating equipment, including fixed frame, the fixing machine shelf location has the air knife, and wherein the curtain coating roller has the cooling body, and the air knife is installed on the air knife support, and the curtain coating roller lies in the extrusion die below, air knife support bilateral symmetry sets up, and the air knife support of each side can swingingly be installed in fixed frame including rocker, lever arm, rocker, still installs a drive rocker wobbling actuating mechanism in fixed frame, the swing end at the rocker is installed in the pivot of lever arm, still installs drive lever arm wobbling cylinder on the rocker, and the cylinder is in company with rocker swing synchronously, the air knife is rotationally installed on the lever arm, and the tip at the lever arm is installed in the pivot of air knife, still install the 2nd actuating mechanism of drive air knife pivoted on the lever arm, the 2nd actuating mechanism is in company with lever arm swing synchronously. The utility model discloses can adjust the working parameter who changes the air knife fast, and the air knife can leave or be close curtain coating roller circumference surface fast.